Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-07-07
1994-09-20
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03507467
REFERENCES:
patent: D242797 (1987-11-01), Falcone
patent: D266666 (1987-10-01), Thomas
patent: D291990 (1987-09-01), Lee
patent: D294697 (1988-03-01), Burkett et al.
patent: D301237 (1989-05-01), Falcone
patent: D306292 (1990-02-01), Blinn et al.
patent: D340006 (1993-10-01), Barger, III
Asch Jeffery
Douglas Alan P.
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